import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import GoodsList from '../components/goods/List.vue'
import GoodsAdd from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'

Vue.use(VueRouter)

// 重复点击报错
const originalPush = VueRouter.prototype.push
VueRouter.prototype.push = function (pushPath) {
  return originalPush.call(this, pushPath).catch(err => err)
}

const routes = [
  { path: '/', redirect: '/login' },
  { path: '/login', component: Login },
  {
    path: '/home',
    component: Home,
    children: [
      { path: '/', redirect: '/welcome' },
      { path: '/welcome', component: Welcome },
      { path: '/users', component: Users },
      { path: '/rights', component: Rights },
      { path: '/roles', component: Roles },
      { path: '/categories', component: Cate },
      { path: '/params', component: Params },
      { path: '/goods', component: GoodsList },
      { path: '/goods/add', component: GoodsAdd },
      { path: '/orders', component: Order },
      { path: '/reports', component: Report }

    ]
  }

]

const router = new VueRouter({
  routes
})

router.beforeEach((to, from, next) => {
  /**
 * @description:前端路由守卫
 * @param {to, from, next}
 * @return:next放行
 */
  if (to.path === '/login') return next()
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})

export default router
